>From the fact that plot3d worked previously from the terminal and that
2d plots still work from the terminal with UBUNTU 11.04
I think we are still on track, i.e. in my case it is plot3d specific
and fails whether called from a terminal or a notebook.
On May 19, 5:46 pm, Kelvin Li <ltwis...@gmail.com> wrote:
> Please excuse me for pulling the subject of this discussion back to
> what I think the original post meant...
>
> On May 19, 2:47 am, Ari <garon.ari...@gmail.com> wrote:
> ...
>
> > I am working with sage
> > from the terminal and whenever I use the function plot3d, nothing
> > happens.
> ...
> > Ari
>
> As far as I know, the usual "jmol" and "canvas3d" rendering engines
> will not work from the command line. But, you can save your plot as a
> PNG, as rendered by Tachyon:
>
> sage: var('x y')
> (x, y)
> sage: plot3d(x^2 + y^2, (x, -1, 1), (y, -1, 1)).save("test.png")
>
> The above example will save "test.png" to your current working
> directory.
>
> As an aside, you can also export your 3d object in various formats.
> One example is the "obj" method, whose output can be viewed in Blender
> (www.blender.org).
>
> sage: var('x y')
> sage: a = plot3d(x^2 + y^2, (x, -1, 1), (y, -1, 1))
> sage: f = open("dump.obj", "w")
> sage: f.write(a.obj())
> sage: f.close()
>
> After downloading and installing Blender (which is very easy to do),
> do "File > Import > Wavefront (.obj)" and select the file "dump.obj".
>
> -- Kelvin
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